This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 5 |
3 | 28 |
4 | 257 |
5 | 3126 |
6 | 46657 |
7 | 823544 |
8 | 16777217 |
9 | 387420490 |
10 | 10000000001 |
11 | 285311670612 |
12 | 8916100448257 |
13 | 302875106592254 |
14 | 11112006825558017 |
15 | 437893890380859376 |
16 | 18446744073709551617 |
17 | 827240261886336764178 |
18 | 39346408075296537575425 |
19 | 1978419655660313589123980 |